11625613513 has 4 divisors (see below), whose sum is σ = 11872967040. Its totient is φ = 11378259988.

The previous prime is 11625613501. The next prime is 11625613561. The reversal of 11625613513 is 31531652611.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 31531652611 = 5669 ⋅5562119.

It is a cyclic number.

It is not a de Polignac number, because 11625613513 - 2⁵ = 11625613481 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11625613913) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 123676693 + ... + 123676786.

It is an arithmetic number, because the mean of its divisors is an integer number (2968241760).

Almost surely, 2^11625613513 is an apocalyptic number.

It is an amenable number.

11625613513 is a deficient number, since it is larger than the sum of its proper divisors (247353527).

11625613513 is an equidigital number, since it uses as much as digits as its factorization.

11625613513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 247353526.

The product of its digits is 16200, while the sum is 34.

The spelling of 11625613513 in words is "eleven billion, six hundred twenty-five million, six hundred thirteen thousand, five hundred thirteen".